Oxygen Sensor Replacement Estimate for Infiniti FX37

Infiniti FX37 Oxygen Sensor Replacement costs $221 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$207 to $249
Labor: $70 -$112
Parts: $137
Average Dealer price
$367 to 404
Average Shop price
$254 to 288
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CarServiceYourMechanic PriceShop/Dealer Price
2013 Infiniti FX37V6-3.7LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$245.88Shop/Dealer Price$318.43 - $456.02
2013 Infiniti FX37V6-3.7LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$215.14Shop/Dealer Price$276.96 - $404.97
Show example Infiniti FX37 Oxygen Sensor Replacement prices

Parts required for a Infiniti FX37 Oxygen Sensor Replacement

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12 years of experience
Jose provided exception service. He was very knowledgeable and knew how to diagnose my car problem quickly and gave me plenty of good car maintenance tips. He took his time and did a quality job. I was a little skeptical using yourmechanic.com for the first time but I will definitely be using it more often given how positive my first experience was.
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13 years of experience
Prompt and a very courteous. Helped identify a problem I would have otherwise have never known until it was too late. Have already recommended his services to my coworkers.
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17 years of experience
Tim showed up early and had all the parts with him. He understood what was wrong and went right to work in inclimate weather. He got the job done in the right amount of time. He also went over the "bucket" list of things my car needed as I have a lot of deferred maintenance. He helped me pick out the most important things to take care of first as I have a limited amount of money
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71 reviews
8 years of experience
Excellent! Was prompt, very knowledgable and professional. Even went the extra step and went to pick up and fix my issue when I had only booked him for a diagnosis. Did a second quote, paid, done. Very efficient and friendly. Will 100% use him again for my future car service needs.
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All about Oxygen Sensor Replacement

With each new model year, manufacturers are adding more oxygen sensors to better manage engine operation. Some high performance engines have an oxygen sensor for each cylinder as well as one for the rear of each catalytic convertor. The sensors are located either underneath the hood or underneath the car. The oxygen sensors are connected (screwed) to the exhaust pipe, either in front or back of the catalytic converter. The front (upstream) sensors measure the amount of oxygen in the exhaust system. The purpose of the front oxygen sensor(s) is to measure how rich or lean the gases are as the gases exit the combustion chamber. Depending upon whether the exhaust gas is lean (high in oxygen content) or rich (low in oxygen content), the amount of fuel entering the engine is adjusted by the engine management computer to try and maintain an ideal mixture that produces the lowest emissions output from the catalytic convertor. Rear (downstream) sensors are located behind the catalytic converter. The purpose of the rear oxygen sensor(s) is to monitor the oxygen content of the exhaust gases leaving the catalytic convertor. If one or more of the oxygen sensors are faulty, your car may not pass the emissions test. If you drive your car with a faulty oxygen sensor, you may get poor gas mileage and it can damage the catalytic converter.

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